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<mods:title id="7735936AAB5ABBB1FB7089A560C459D4">First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family</mods:title>
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<mods:affiliation id="A32A29873090F73D31C22F209A020DBD">Departamento de Bioloxía Animal, Bioloxía Vexetal e Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Coruña, Spain;</mods:affiliation>
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<taxonomicName id="1BD24D459B5CC94AFEACB11FFC1B0C5F" ID-CoL="6M5SJ" authority="Ehlers, 1874 sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[298,950,1571,1595]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="1" pageNumber="984" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5CC94AFEACB11FFDB30C5F" bold="true" box="[298,542,1571,1595]" italics="true" pageId="1" pageNumber="984">Heterospio longissima</emphasis>
<bibRefCitation id="B8434B379B5CC94AFDA1B11FFD1E0C5F" author="Ehlers E" box="[551,691,1571,1595]" pageId="1" pageNumber="984" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers, 1874</bibRefCitation>
<emphasis id="EEA6EAD49B5CC94AFD3AB118FD5B0C5F" box="[700,758,1572,1595]" italics="true" pageId="1" pageNumber="984">sensu</emphasis>
<bibRefCitation id="B8434B379B5CC94AFD79B118FC1B0C5F" author="Hartman O" box="[767,950,1571,1595]" pageId="1" pageNumber="984" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
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<paragraph id="DC6D36C69B5CC94AFE63B17FFD570C3F" blockId="1.[298,950,1507,1627]" box="[485,762,1603,1627]" pageId="1" pageNumber="984">
(
<figureCitation id="44E92A439B5CC94AFE68B17FFDDE0C3F" box="[494,627,1603,1627]" captionStart-0="Figure 1" captionStart-1="Figure 2" captionStart-2="Figure 3" captionStart-3="Figure 4" captionStartId-0="3.[144,211,960,982]" captionStartId-1="4.[212,279,774,796]" captionStartId-2="5.[144,211,919,941]" captionStartId-3="6.[212,279,965,987]" captionTargetBox-0="[146,1101,169,927]" captionTargetBox-1="[213,1170,168,742]" captionTargetBox-2="[145,1102,168,887]" captionTargetBox-3="[213,1170,168,933]" captionTargetId-0="figure@3.[145,1102,168,928]" captionTargetId-1="figure@4.[213,1170,168,742]" captionTargetId-2="figure@5.[145,1102,168,887]" captionTargetId-3="figure@6.[213,1170,168,933]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="Figure 1. Type localities and collection localities of described and undescribed species of Heterospio, respectively, arranged in ascending order by date of description: (1) Ehlers (1874); (2) Hartman (1944); (3)Knox (1960); (4) Hartman (1965); (5) Wuand Chen (1966); (6) and (7) Laubier et al. (1972–73); (8) Uebelacker (1984); (9) and (10) Borowski (1994); (11) Bochert and Zettler (2009). The BIOICE sampling area is indicated. (*) probably represents a different species." captionText-1="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." captionText-2="Figure 3. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimen from BIOICE sample 2414. (A–D) Chaetigers 11 to 14. Scale bars: A, 100 µm; B, 150 µm; C, 200 µm; D, 100 µm." captionText-3="Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm." figureDoi-0="http://doi.org/10.5281/zenodo.4006777" figureDoi-1="http://doi.org/10.5281/zenodo.4006779" figureDoi-2="http://doi.org/10.5281/zenodo.4006781" figureDoi-3="http://doi.org/10.5281/zenodo.4006785" httpUri-0="https://zenodo.org/record/4006777/files/figure.png" httpUri-1="https://zenodo.org/record/4006779/files/figure.png" httpUri-2="https://zenodo.org/record/4006781/files/figure.png" httpUri-3="https://zenodo.org/record/4006785/files/figure.png" pageId="1" pageNumber="984">Figures 1–4</figureCitation>
, 
<figureCitation id="44E92A439B5CC94AFD05B17FFD0F0C3F" box="[643,674,1603,1627]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="1" pageNumber="984">5B</figureCitation>
, 
<figureCitation id="44E92A439B5CC94AFD34B17FFD790C3F" box="[690,724,1603,1627]" captionStart="Figure 7" captionStartId="9.[144,211,600,622]" captionTargetBox="[145,1101,168,567]" captionTargetId="figure@9.[145,1102,168,568]" captionTargetPageId="9" captionText="Figure 7. Map of the area sampled during the BIOICE project showing collecting sites where species of Heterospio were found." figureDoi="http://doi.org/10.5281/zenodo.4006791" httpUri="https://zenodo.org/record/4006791/files/figure.png" pageId="1" pageNumber="984">7A</figureCitation>
, 
<figureCitation id="44E92A439B5CC94AFD62B17FFD5C0C3F" box="[740,753,1603,1627]" captionStart="Figure 8" captionStartId="9.[144,211,1534,1556]" captionTargetBox="[146,1101,744,1502]" captionTargetId="figure@9.[145,1102,743,1503]" captionTargetPageId="9" captionText="Figure 8. Worldwide reports of Heterospio longissima arranged in ascending order by date. For each report, the original designation is indicated. (1) Ehlers (1874); (2) Hartman (1965); (3) Hartman and Fauchald (1971); (4) Hartman (1974); (5) Imajima (1974); (6) Intes and Le Loeuff (1977); (7) Kirkegaard (1980); (8) Amoureux (1982); (9) Uebelacker (1984); (10) Rosenfeldt (1989); (11) Türkay (1996); (12) Wehe and Fiege (2002); (13) this work. n.a. = no assignment." figureDoi="http://doi.org/10.5281/zenodo.4006793" httpUri="https://zenodo.org/record/4006793/files/figure.png" pageId="1" pageNumber="984">8</figureCitation>
)
</paragraph>
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<emphasis id="EEA6EAD49B5CC94AFF16B1B8FE200CFF" box="[144,397,1667,1691]" italics="true" pageId="1" pageNumber="984">
<taxonomicName id="1BD24D459B5CC94AFF16B1B8FE250CFF" ID-CoL="6M5SJ" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[144,392,1667,1691]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="1" pageNumber="984" phylum="Annelida" rank="species" species="longissima">Heterospio longissima</taxonomicName>
.
</emphasis>
<treatmentCitation id="5D7310D79B5CC94AFE13B1B8FD1C0CFF" author="Hartman O" box="[405,689,1667,1691]" page="163" pageId="1" pageNumber="984" year="1965">
<bibRefCitation id="B8434B379B5CC94AFE13B1B8FD1C0CFF" author="Hartman O" box="[405,689,1667,1691]" pageId="1" pageNumber="984" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman, 1965: 163–164</bibRefCitation>
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, fig. 30 f–h.
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Table 1. Coordinates, depth (m), bottom temperature (°C), salinity (‰) and sediment type, all referring to the start of the tow, of locations where specimens of 
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<emphasis id="EEA6EAD49B5FC949FF2AB5E0FE250895" box="[172,392,732,753]" italics="true" pageId="2" pageNumber="985">Heterospio longissima</emphasis>
<bibRefCitation id="B8434B379B5FC949FE16B5E0FDA30896" author="Ehlers E" box="[400,526,732,754]" pageId="2" pageNumber="985" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers, 1874</bibRefCitation>
<emphasis id="EEA6EAD49B5FC949FD90B5E0FDE70895" box="[534,586,732,753]" italics="true" pageId="2" pageNumber="985">sensu</emphasis>
<bibRefCitation id="B8434B379B5FC949FDD4B5E0FD5B0896" author="Hartman O" box="[594,758,732,754]" pageId="2" pageNumber="985" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
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and 
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<emphasis id="EEA6EAD49B5FC949FCB5B5E0FC5C0895" box="[819,1009,732,753]" italics="true" pageId="2" pageNumber="985">Heterospio reducta</emphasis>
<bibRefCitation id="B8434B379B5FC949FC7FB5E0FAF90896" author="Laubier L &amp; Picard C &amp; Ramos J" box="[1017,1364,732,754]" pageId="2" pageNumber="985" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">Laubier, Picard and Ramos, 1972</bibRefCitation>
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–73 were found during the BIOICE project.
</paragraph>
</caption>
<paragraph id="DC6D36C69B5FC949FF09B416F90D0EA7" pageId="2" pageNumber="985">
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<th id="21335DF89B5F36B4FDBFB416FD64095B" box="[569,713,810,831]" gridcol="3" gridrow="0" pageId="2" pageNumber="985">Gear</th>
<th id="21335DF89B5F36B4FD74B416FCEE095B" box="[754,835,810,831]" gridcol="4" gridrow="0" pageId="2" pageNumber="985">Latitude</th>
<th id="21335DF89B5F36B4FCE5B416FC68095B" box="[867,965,810,831]" gridcol="5" gridrow="0" pageId="2" pageNumber="985">Longitude</th>
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<th id="21335DF89B5F36B4FBDDB416FB7B095B" box="[1115,1238,810,831]" gridcol="7" gridrow="0" pageId="2" pageNumber="985">Temperature</th>
<th id="21335DF89B5F36B4FB70B416FA92095B" box="[1270,1343,810,831]" gridcol="8" gridrow="0" pageId="2" pageNumber="985">Salinity</th>
<th id="21335DF89B5F36B4FAD8B416FA65095B" box="[1374,1480,810,831]" gridcol="9" gridrow="0" pageId="2" pageNumber="985">Sediment</th>
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<emphasis id="EEA6EAD49B5FC949F997B417F986095B" box="[1553,1579,811,831]" italics="true" pageId="2" pageNumber="985">H.</emphasis>
</th>
<th id="21335DF89B5F36B4F9FEB416F910095B" box="[1656,1725,810,831]" gridcol="11" gridrow="0" pageId="2" pageNumber="985">
<emphasis id="EEA6EAD49B5FC949F908B417F905095B" box="[1678,1704,811,831]" italics="true" pageId="2" pageNumber="985">H.</emphasis>
</th>
</tr>
<tr id="62E234849B5F36B4FF09B47AF910093E" box="[143,1725,838,858]" gridrow="1" pageId="2" pageNumber="985" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
<td id="21335DF89B5F36B4FAD8B47AFA65093E" box="[1374,1480,838,858]" gridcol="9" gridrow="1" pageId="2" pageNumber="985">type</td>
<td id="21335DF89B5F36B4FA6BB47AF9E2093E" box="[1517,1615,838,858]" gridcol="10" gridrow="1" pageId="2" pageNumber="985">
<taxonomicName id="1BD24D459B5FC949FA6BB47AF9E2093E" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[1517,1615,838,858]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="2" pageNumber="985" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5FC949FA6BB47AF9E2093E" box="[1517,1615,838,858]" italics="true" pageId="2" pageNumber="985">longissima</emphasis>
</taxonomicName>
</td>
<td id="21335DF89B5F36B4F9FEB47AF910093E" box="[1656,1725,838,858]" gridcol="11" gridrow="1" pageId="2" pageNumber="985">
<taxonomicName id="1BD24D459B5FC949F9FEB47AF910093E" authorityName="Laubier, Picard and Ramos" authorityYear="1972" box="[1656,1725,838,858]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="2" pageNumber="985" phylum="Annelida" rank="species" species="reducta">
<emphasis id="EEA6EAD49B5FC949F9FEB47AF910093E" box="[1656,1725,838,858]" italics="true" pageId="2" pageNumber="985">reducta</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="62E234849B5F36B4FF09B444F91009E8" box="[143,1725,888,908]" gridrow="2" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B444FF7809E8" box="[143,213,888,908]" gridcol="0" gridrow="2" pageId="2" pageNumber="985">2392</th>
<td id="21335DF89B5F36B4FF73B444FE9709E8" box="[245,314,888,908]" gridcol="1" gridrow="2" pageId="2" pageNumber="985">555</td>
<td id="21335DF89B5F36B4FEDCB444FDBC09E8" box="[346,529,888,908]" gridcol="2" gridrow="2" pageId="2" pageNumber="985">30 June 1993</td>
<td id="21335DF89B5F36B4FDBFB444FD6409E8" box="[569,713,888,908]" gridcol="3" gridrow="2" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B444FCEE09E8" box="[754,835,888,908]" gridcol="4" gridrow="2" pageId="2" pageNumber="985">63.250</td>
<td id="21335DF89B5F36B4FCE5B444FC6809E8" box="[867,965,888,908]" gridcol="5" gridrow="2" pageId="2" pageNumber="985">–22.200</td>
<td id="21335DF89B5F36B4FC6FB444FB9509E8" box="[1001,1080,888,908]" gridcol="6" gridrow="2" pageId="2" pageNumber="985">288–291</td>
<td id="21335DF89B5F36B4FBDDB444FB7B09E8" box="[1115,1238,888,908]" gridcol="7" gridrow="2" pageId="2" pageNumber="985">6.92</td>
<td id="21335DF89B5F36B4FB70B444FA9209E8" box="[1270,1343,888,908]" gridcol="8" gridrow="2" pageId="2" pageNumber="985">35.10</td>
<td id="21335DF89B5F36B4FAD8B444FA6509E8" box="[1374,1480,888,908]" gridcol="9" gridrow="2" pageId="2" pageNumber="985">Sandy silt</td>
<td id="21335DF89B5F36B4F9FEB444F91009E8" box="[1656,1725,888,908]" gridcol="11" gridrow="2" pageId="2" pageNumber="985">7</td>
</tr>
<tr id="62E234849B5F36B4FF09B4A9F91009CD" box="[143,1725,917,937]" gridrow="3" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B4A9FF7809CD" box="[143,213,917,937]" gridcol="0" gridrow="3" pageId="2" pageNumber="985">2407</th>
<td id="21335DF89B5F36B4FF73B4A9FE9709CD" box="[245,314,917,937]" gridcol="1" gridrow="3" pageId="2" pageNumber="985">560</td>
<td id="21335DF89B5F36B4FEDCB4A9FDBC09CD" box="[346,529,917,937]" gridcol="2" gridrow="3" pageId="2" pageNumber="985">1 August 1993</td>
<td id="21335DF89B5F36B4FDBFB4A9FD6409CD" box="[569,713,917,937]" gridcol="3" gridrow="3" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B4A9FCEE09CD" box="[754,835,917,937]" gridcol="4" gridrow="3" pageId="2" pageNumber="985">62.976</td>
<td id="21335DF89B5F36B4FCE5B4A9FC6809CD" box="[867,965,917,937]" gridcol="5" gridrow="3" pageId="2" pageNumber="985">–21.821</td>
<td id="21335DF89B5F36B4FC6FB4A9FB9509CD" box="[1001,1080,917,937]" gridcol="6" gridrow="3" pageId="2" pageNumber="985">917–922</td>
<td id="21335DF89B5F36B4FBDDB4A9FB7B09CD" box="[1115,1238,917,937]" gridcol="7" gridrow="3" pageId="2" pageNumber="985">4.57</td>
<td id="21335DF89B5F36B4FB70B4A9FA9209CD" box="[1270,1343,917,937]" gridcol="8" gridrow="3" pageId="2" pageNumber="985">34.98</td>
<td id="21335DF89B5F36B4FAD8B4A9FA6509CD" box="[1374,1480,917,937]" gridcol="9" gridrow="3" pageId="2" pageNumber="985">Fine silt</td>
<td id="21335DF89B5F36B4F9FEB4A9F91009CD" box="[1656,1725,917,937]" gridcol="11" gridrow="3" pageId="2" pageNumber="985">1</td>
</tr>
<tr id="62E234849B5F36B4FF09B48DF91009A1" box="[143,1725,945,965]" gridrow="4" pageId="2" pageNumber="985">
<th id="21335DF89B5F36B4FF09B48DFF7809A1" box="[143,213,945,965]" gridcol="0" gridrow="4" pageId="2" pageNumber="985">2414</th>
<td id="21335DF89B5F36B4FF73B48DFE9709A1" box="[245,314,945,965]" gridcol="1" gridrow="4" pageId="2" pageNumber="985">563</td>
<td id="21335DF89B5F36B4FEDCB48DFDBC09A1" box="[346,529,945,965]" gridcol="2" gridrow="4" pageId="2" pageNumber="985">2 July 1993</td>
<td id="21335DF89B5F36B4FDBFB48DFD6409A1" box="[569,713,945,965]" gridcol="3" gridrow="4" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B48DFCEE09A1" box="[754,835,945,965]" gridcol="4" gridrow="4" pageId="2" pageNumber="985">63.005</td>
<td id="21335DF89B5F36B4FCE5B48DFC6809A1" box="[867,965,945,965]" gridcol="5" gridrow="4" pageId="2" pageNumber="985">–21.012</td>
<td id="21335DF89B5F36B4FC6FB48DFB9509A1" box="[1001,1080,945,965]" gridcol="6" gridrow="4" pageId="2" pageNumber="985">784–808</td>
<td id="21335DF89B5F36B4FBDDB48DFB7B09A1" box="[1115,1238,945,965]" gridcol="7" gridrow="4" pageId="2" pageNumber="985">5.36</td>
<td id="21335DF89B5F36B4FB70B48DFA9209A1" box="[1270,1343,945,965]" gridcol="8" gridrow="4" pageId="2" pageNumber="985">35.02</td>
<td id="21335DF89B5F36B4FAD8B48DFA6509A1" box="[1374,1480,945,965]" gridcol="9" gridrow="4" pageId="2" pageNumber="985">Sandy silt</td>
<td id="21335DF89B5F36B4FA6BB48DF9E209A1" box="[1517,1615,945,965]" gridcol="10" gridrow="4" pageId="2" pageNumber="985">1</td>
<td id="21335DF89B5F36B4F9FEB48DF91009A1" box="[1656,1725,945,965]" gridcol="11" gridrow="4" pageId="2" pageNumber="985">3</td>
</tr>
<tr id="62E234849B5F36B4FF09B4F1F9100986" box="[143,1725,973,994]" gridrow="5" pageId="2" pageNumber="985">
<th id="21335DF89B5F36B4FF09B4F1FF780986" box="[143,213,973,994]" gridcol="0" gridrow="5" pageId="2" pageNumber="985">2474</th>
<td id="21335DF89B5F36B4FF73B4F1FE970986" box="[245,314,973,994]" gridcol="1" gridrow="5" pageId="2" pageNumber="985">587</td>
<td id="21335DF89B5F36B4FEDCB4F1FDBC0986" box="[346,529,973,994]" gridcol="2" gridrow="5" pageId="2" pageNumber="985">5 July 1993</td>
<td id="21335DF89B5F36B4FDBFB4F1FD640986" box="[569,713,973,994]" gridcol="3" gridrow="5" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B4F1FCEE0986" box="[754,835,973,994]" gridcol="4" gridrow="5" pageId="2" pageNumber="985">63.067</td>
<td id="21335DF89B5F36B4FCE5B4F1FC680986" box="[867,965,973,994]" gridcol="5" gridrow="5" pageId="2" pageNumber="985">–21.588</td>
<td id="21335DF89B5F36B4FC6FB4F1FB950986" box="[1001,1080,973,994]" gridcol="6" gridrow="5" pageId="2" pageNumber="985">791–834</td>
<td id="21335DF89B5F36B4FBDDB4F1FB7B0986" box="[1115,1238,973,994]" gridcol="7" gridrow="5" pageId="2" pageNumber="985">5.54</td>
<td id="21335DF89B5F36B4FB70B4F1FA920986" box="[1270,1343,973,994]" gridcol="8" gridrow="5" pageId="2" pageNumber="985">35.03</td>
<td id="21335DF89B5F36B4FAD8B4F1FA650986" box="[1374,1480,973,994]" gridcol="9" gridrow="5" pageId="2" pageNumber="985">Sandy silt</td>
<td id="21335DF89B5F36B4FA6BB4F1F9E20986" box="[1517,1615,973,994]" gridcol="10" gridrow="5" pageId="2" pageNumber="985">1</td>
<td id="21335DF89B5F36B4F9FEB4F1F9100986" box="[1656,1725,973,994]" gridcol="11" gridrow="5" pageId="2" pageNumber="985">7</td>
</tr>
<tr id="62E234849B5F36B4FF09B4D6F910099A" box="[143,1725,1002,1022]" gridrow="6" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B4D6FF78099A" box="[143,213,1002,1022]" gridcol="0" gridrow="6" pageId="2" pageNumber="985">2719</th>
<td id="21335DF89B5F36B4FF73B4D6FE97099A" box="[245,314,1002,1022]" gridcol="1" gridrow="6" pageId="2" pageNumber="985">735</td>
<td id="21335DF89B5F36B4FEDCB4D6FDBC099A" box="[346,529,1002,1022]" gridcol="2" gridrow="6" pageId="2" pageNumber="985">7 September 1994</td>
<td id="21335DF89B5F36B4FDBFB4D6FD64099A" box="[569,713,1002,1022]" gridcol="3" gridrow="6" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B4D6FCEE099A" box="[754,835,1002,1022]" gridcol="4" gridrow="6" pageId="2" pageNumber="985">64.428</td>
<td id="21335DF89B5F36B4FCE5B4D6FC68099A" box="[867,965,1002,1022]" gridcol="5" gridrow="6" pageId="2" pageNumber="985">–26.403</td>
<td id="21335DF89B5F36B4FC6FB4D6FB95099A" box="[1001,1080,1002,1022]" gridcol="6" gridrow="6" pageId="2" pageNumber="985">300–305</td>
<td id="21335DF89B5F36B4FBDDB4D6FB7B099A" box="[1115,1238,1002,1022]" gridcol="7" gridrow="6" pageId="2" pageNumber="985">5.56</td>
<td id="21335DF89B5F36B4FB70B4D6FA92099A" box="[1270,1343,1002,1022]" gridcol="8" gridrow="6" pageId="2" pageNumber="985">35.04</td>
<td id="21335DF89B5F36B4FAD8B4D6FA65099A" box="[1374,1480,1002,1022]" gridcol="9" gridrow="6" pageId="2" pageNumber="985">Silt</td>
<td id="21335DF89B5F36B4F9FEB4D6F910099A" box="[1656,1725,1002,1022]" gridcol="11" gridrow="6" pageId="2" pageNumber="985">1</td>
</tr>
<tr id="62E234849B5F36B4FF09B33AF9100E7E" box="[143,1725,1030,1050]" gridrow="7" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B33AFF780E7E" box="[143,213,1030,1050]" gridcol="0" gridrow="7" pageId="2" pageNumber="985">2886</th>
<td id="21335DF89B5F36B4FF73B33AFE970E7E" box="[245,314,1030,1050]" gridcol="1" gridrow="7" pageId="2" pageNumber="985">468</td>
<td id="21335DF89B5F36B4FEDCB33AFDBC0E7E" box="[346,529,1030,1050]" gridcol="2" gridrow="7" pageId="2" pageNumber="985">23 August 1996</td>
<td id="21335DF89B5F36B4FDBFB33AFD640E7E" box="[569,713,1030,1050]" gridcol="3" gridrow="7" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B33AFCEE0E7E" box="[754,835,1030,1050]" gridcol="4" gridrow="7" pageId="2" pageNumber="985">65.120</td>
<td id="21335DF89B5F36B4FCE5B33AFC680E7E" box="[867,965,1030,1050]" gridcol="5" gridrow="7" pageId="2" pageNumber="985">–27.521</td>
<td id="21335DF89B5F36B4FC6FB33AFB950E7E" box="[1001,1080,1030,1050]" gridcol="6" gridrow="7" pageId="2" pageNumber="985">464–472</td>
<td id="21335DF89B5F36B4FBDDB33AFB7B0E7E" box="[1115,1238,1030,1050]" gridcol="7" gridrow="7" pageId="2" pageNumber="985">6.24</td>
<td id="21335DF89B5F36B4FB70B33AFA920E7E" box="[1270,1343,1030,1050]" gridcol="8" gridrow="7" pageId="2" pageNumber="985">35.06</td>
<td id="21335DF89B5F36B4FAD8B33AFA650E7E" box="[1374,1480,1030,1050]" gridcol="9" gridrow="7" pageId="2" pageNumber="985">Sand with</td>
<td id="21335DF89B5F36B4F9FEB33AF9100E7E" box="[1656,1725,1030,1050]" gridcol="11" gridrow="7" pageId="2" pageNumber="985">1</td>
</tr>
<tr id="62E234849B5F36B4FF09B31EF9100E52" box="[143,1725,1058,1078]" gridrow="8" pageId="2" pageNumber="985" rowspan-0="1" rowspan-1="1" rowspan-10="1" rowspan-11="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
<td id="21335DF89B5F36B4FAD8B31EFA650E52" box="[1374,1480,1058,1078]" gridcol="9" gridrow="8" pageId="2" pageNumber="985">stones/</td>
</tr>
<tr id="62E234849B5F36B4FF09B302F9100E36" box="[143,1725,1086,1106]" gridrow="9" pageId="2" pageNumber="985" rowspan-0="1" rowspan-1="1" rowspan-10="1" rowspan-11="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1">
<td id="21335DF89B5F36B4FAD8B302FA650E36" box="[1374,1480,1086,1106]" gridcol="9" gridrow="9" pageId="2" pageNumber="985">boulders</td>
</tr>
<tr id="62E234849B5F36B4FF09B366F9100E0A" box="[143,1725,1114,1134]" gridrow="10" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B366FF780E0A" box="[143,213,1114,1134]" gridcol="0" gridrow="10" pageId="2" pageNumber="985">2893</th>
<td id="21335DF89B5F36B4FF73B366FE970E0A" box="[245,314,1114,1134]" gridcol="1" gridrow="10" pageId="2" pageNumber="985">470</td>
<td id="21335DF89B5F36B4FEDCB366FDBC0E0A" box="[346,529,1114,1134]" gridcol="2" gridrow="10" pageId="2" pageNumber="985">24 August 1996</td>
<td id="21335DF89B5F36B4FDBFB366FD640E0A" box="[569,713,1114,1134]" gridcol="3" gridrow="10" pageId="2" pageNumber="985">RP sledge</td>
<td id="21335DF89B5F36B4FD74B366FCEE0E0A" box="[754,835,1114,1134]" gridcol="4" gridrow="10" pageId="2" pageNumber="985">65.353</td>
<td id="21335DF89B5F36B4FCE5B366FC680E0A" box="[867,965,1114,1134]" gridcol="5" gridrow="10" pageId="2" pageNumber="985">–27.423</td>
<td id="21335DF89B5F36B4FC6FB366FB950E0A" box="[1001,1080,1114,1134]" gridcol="6" gridrow="10" pageId="2" pageNumber="985">513–578</td>
<td id="21335DF89B5F36B4FBDDB366FB7B0E0A" box="[1115,1238,1114,1134]" gridcol="7" gridrow="10" pageId="2" pageNumber="985">6.24</td>
<td id="21335DF89B5F36B4FB70B366FA920E0A" box="[1270,1343,1114,1134]" gridcol="8" gridrow="10" pageId="2" pageNumber="985">35.05</td>
<td id="21335DF89B5F36B4FAD8B366FA650E0A" box="[1374,1480,1114,1134]" gridcol="9" gridrow="10" pageId="2" pageNumber="985">No data</td>
<td id="21335DF89B5F36B4F9FEB366F9100E0A" box="[1656,1725,1114,1134]" gridcol="11" gridrow="10" pageId="2" pageNumber="985">1</td>
</tr>
<tr id="62E234849B5F36B4FF09B34BF9100EEF" box="[143,1725,1143,1163]" gridrow="11" pageId="2" pageNumber="985">
<th id="21335DF89B5F36B4FF09B34BFF780EEF" box="[143,213,1143,1163]" gridcol="0" gridrow="11" pageId="2" pageNumber="985">3500</th>
<td id="21335DF89B5F36B4FF73B34BFE970EEF" box="[245,314,1143,1163]" gridcol="1" gridrow="11" pageId="2" pageNumber="985">512</td>
<td id="21335DF89B5F36B4FEDCB34BFDBC0EEF" box="[346,529,1143,1163]" gridcol="2" gridrow="11" pageId="2" pageNumber="985">31 August 2002</td>
<td id="21335DF89B5F36B4FDBFB34BFD640EEF" box="[569,713,1143,1163]" gridcol="3" gridrow="11" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B34BFCEE0EEF" box="[754,835,1143,1163]" gridcol="4" gridrow="11" pageId="2" pageNumber="985">62.998</td>
<td id="21335DF89B5F36B4FCE5B34BFC680EEF" box="[867,965,1143,1163]" gridcol="5" gridrow="11" pageId="2" pageNumber="985">–20.505</td>
<td id="21335DF89B5F36B4FC6FB34BFB950EEF" box="[1001,1080,1143,1163]" gridcol="6" gridrow="11" pageId="2" pageNumber="985">814–819</td>
<td id="21335DF89B5F36B4FBDDB34BFB7B0EEF" box="[1115,1238,1143,1163]" gridcol="7" gridrow="11" pageId="2" pageNumber="985">5.82</td>
<td id="21335DF89B5F36B4FB70B34BFA920EEF" box="[1270,1343,1143,1163]" gridcol="8" gridrow="11" pageId="2" pageNumber="985">35.10</td>
<td id="21335DF89B5F36B4FAD8B34BFA650EEF" box="[1374,1480,1143,1163]" gridcol="9" gridrow="11" pageId="2" pageNumber="985">Silt</td>
<td id="21335DF89B5F36B4FA6BB34BF9E20EEF" box="[1517,1615,1143,1163]" gridcol="10" gridrow="11" pageId="2" pageNumber="985">3</td>
<td id="21335DF89B5F36B4F9FEB34BF9100EEF" box="[1656,1725,1143,1163]" gridcol="11" gridrow="11" pageId="2" pageNumber="985">5</td>
</tr>
<tr id="62E234849B5F36B4FF09B3AFF9100EC3" box="[143,1725,1171,1191]" gridrow="12" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B3AFFF780EC3" box="[143,213,1171,1191]" gridcol="0" gridrow="12" pageId="2" pageNumber="985">3613</th>
<td id="21335DF89B5F36B4FF73B3AFFE970EC3" box="[245,314,1171,1191]" gridcol="1" gridrow="12" pageId="2" pageNumber="985">408</td>
<td id="21335DF89B5F36B4FEDCB3AFFDBC0EC3" box="[346,529,1171,1191]" gridcol="2" gridrow="12" pageId="2" pageNumber="985">12 September 2003</td>
<td id="21335DF89B5F36B4FDBFB3AFFD640EC3" box="[569,713,1171,1191]" gridcol="3" gridrow="12" pageId="2" pageNumber="985">Detritus sledge</td>
<td id="21335DF89B5F36B4FD74B3AFFCEE0EC3" box="[754,835,1171,1191]" gridcol="4" gridrow="12" pageId="2" pageNumber="985">64.247</td>
<td id="21335DF89B5F36B4FCE5B3AFFC680EC3" box="[867,965,1171,1191]" gridcol="5" gridrow="12" pageId="2" pageNumber="985">–26.052</td>
<td id="21335DF89B5F36B4FC6FB3AFFB950EC3" box="[1001,1080,1171,1191]" gridcol="6" gridrow="12" pageId="2" pageNumber="985">345</td>
<td id="21335DF89B5F36B4FBDDB3AFFB7B0EC3" box="[1115,1238,1171,1191]" gridcol="7" gridrow="12" pageId="2" pageNumber="985">6.95</td>
<td id="21335DF89B5F36B4FB70B3AFFA920EC3" box="[1270,1343,1171,1191]" gridcol="8" gridrow="12" pageId="2" pageNumber="985">35.14</td>
<td id="21335DF89B5F36B4FAD8B3AFFA650EC3" box="[1374,1480,1171,1191]" gridcol="9" gridrow="12" pageId="2" pageNumber="985">Sandy silt</td>
<td id="21335DF89B5F36B4F9FEB3AFF9100EC3" box="[1656,1725,1171,1191]" gridcol="11" gridrow="12" pageId="2" pageNumber="985">4</td>
</tr>
<tr id="62E234849B5F36B4FF09B393F9100EA7" box="[143,1725,1199,1219]" gridrow="13" pageId="2" pageNumber="985" rowspan-10="1">
<th id="21335DF89B5F36B4FF09B393FF780EA7" box="[143,213,1199,1219]" gridcol="0" gridrow="13" pageId="2" pageNumber="985">3617</th>
<td id="21335DF89B5F36B4FF73B393FE970EA7" box="[245,314,1199,1219]" gridcol="1" gridrow="13" pageId="2" pageNumber="985">209</td>
<td id="21335DF89B5F36B4FEDCB393FDBC0EA7" box="[346,529,1199,1219]" gridcol="2" gridrow="13" pageId="2" pageNumber="985">12 September 2003</td>
<td id="21335DF89B5F36B4FDBFB393FD640EA7" box="[569,713,1199,1219]" gridcol="3" gridrow="13" pageId="2" pageNumber="985">RP sledge</td>
<td id="21335DF89B5F36B4FD74B393FCEE0EA7" box="[754,835,1199,1219]" gridcol="4" gridrow="13" pageId="2" pageNumber="985">64.662</td>
<td id="21335DF89B5F36B4FCE5B393FC680EA7" box="[867,965,1199,1219]" gridcol="5" gridrow="13" pageId="2" pageNumber="985">–26.465</td>
<td id="21335DF89B5F36B4FC6FB393FB950EA7" box="[1001,1080,1199,1219]" gridcol="6" gridrow="13" pageId="2" pageNumber="985">270–272</td>
<td id="21335DF89B5F36B4FBDDB393FB7B0EA7" box="[1115,1238,1199,1219]" gridcol="7" gridrow="13" pageId="2" pageNumber="985">6.99</td>
<td id="21335DF89B5F36B4FB70B393FA920EA7" box="[1270,1343,1199,1219]" gridcol="8" gridrow="13" pageId="2" pageNumber="985">35.14</td>
<td id="21335DF89B5F36B4FAD8B393FA650EA7" box="[1374,1480,1199,1219]" gridcol="9" gridrow="13" pageId="2" pageNumber="985">No data</td>
<td id="21335DF89B5F36B4F9FEB393F9100EA7" box="[1656,1725,1199,1219]" gridcol="11" gridrow="13" pageId="2" pageNumber="985">1</td>
</tr>
</table>
</paragraph>
<caption id="88AD664E9B5EC948FF16B4FCFBA20E2E" ID-DOI="http://doi.org/10.5281/zenodo.4006777" ID-Zenodo-Dep="4006777" httpUri="https://zenodo.org/record/4006777/files/figure.png" pageId="3" pageNumber="986" startId="3.[144,211,960,982]" targetBox="[146,1101,169,927]" targetPageId="3">
<paragraph id="DC6D36C69B5EC948FF16B4FCFBA20E2E" blockId="3.[144,1104,960,1098]" pageId="3" pageNumber="986">
Figure 1. Type localities and collection localities of described and undescribed species of 
<taxonomicName id="1BD24D459B5EC948FF16B4E1FF570996" authorityName="Ehlers" authorityYear="1874" box="[144,250,989,1010]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="3" pageNumber="986" phylum="Annelida" rank="genus">
<emphasis id="EEA6EAD49B5EC948FF16B4E1FF570996" box="[144,250,989,1010]" italics="true" pageId="3" pageNumber="986">Heterospio</emphasis>
</taxonomicName>
, respectively, arranged in ascending order by date of description: (1) 
<bibRefCitation id="B8434B379B5EC948FC23B4E1FB840996" author="Ehlers E" box="[933,1065,989,1011]" pageId="3" pageNumber="986" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers (1874)</bibRefCitation>
; (2) 
<bibRefCitation id="B8434B379B5EC948FF16B4C7FE820E74" author="Hartman O" box="[144,303,1018,1040]" pageId="3" pageNumber="986" pagination="311 - 481" refId="ref6072" refString="Hartman O. 1944. Polychaetous annelids. Part IV. Paraonidae, Magelonidae, Heterospionidae, Ctenodrilidae and Sabellariidae. Allan Hancock Pac Exped. 10: 311 - 481." type="journal article" year="1944">Hartman (1944)</bibRefCitation>
; (3) 
<bibRefCitation id="B8434B379B5EC948FED1B4C7FE790E74" author="Knox GA" box="[343,468,1018,1040]" pageId="3" pageNumber="986" pagination="1131" refId="ref6519" refString="Knox GA. 1960. The polychaete family Longosomatidae in New Zealand. Nature. 187: 1131." type="journal article" year="1960">Knox (1960)</bibRefCitation>
; (4) 
<bibRefCitation id="B8434B379B5EC948FE7BB4C7FD310E74" author="Hartman O" box="[509,668,1018,1040]" pageId="3" pageNumber="986" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
; (5) 
<bibRefCitation id="B8434B379B5EC948FD43B4C7FC3D0E74" author="Wu BL &amp; Chen M" box="[709,912,1018,1040]" pageId="3" pageNumber="986" pagination="163 - 167" refId="ref7285" refString="Wu BL, Chen M. 1966. A new and interesting species of the genus Heterospio (Polychaeta, Heterospionidae). Oceanologia et Limnologia Sinica. 8: 163 - 167." type="journal article" year="1966">Wu and Chen (1966)</bibRefCitation>
; (6) and (7) 
<bibRefCitation id="B8434B379B5EC948FB87B4C6FEAF0E49" author="Laubier L &amp; Picard C &amp; Ramos J" pageId="3" pageNumber="986" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">Laubier et al. (1972</bibRefCitation>
–73); (8) 
<bibRefCitation id="B8434B379B5EC948FED8B32BFDBA0E49" author="Uebelacker JM" box="[350,535,1047,1069]" pageId="3" pageNumber="986" pagination="1 - 6" refId="ref7105" refString="Uebelacker JM. 1984. Family Heterospionidae Hartman, 1963. In: Uebelacker JM, Johnson PG, Vittor BA and Associates, editors. Taxonomic guide to the polychaetes of the Northern Gulf of Mexico, Vol. II. Alabama: Mobile; p. 1 - 6." type="book chapter" year="1984">Uebelacker (1984)</bibRefCitation>
; (9) and (10) 
<bibRefCitation id="B8434B379B5EC948FD23B32BFCE10E49" author="Borowski C" box="[677,844,1047,1069]" pageId="3" pageNumber="986" pagination="129 - 144" refId="ref5808" refString="Borowski C. 1994. New records of Longosomatidae (Heterospionidae) (Annelida, Polychaeta) from the abyssal Southeast Pacific, with the description of Heterospio peruana sp. nov. and a general remark on the family. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut. 92: 129 - 144." type="journal article" year="1994">Borowski (1994)</bibRefCitation>
; (11) 
<bibRefCitation id="B8434B379B5EC948FC0FB32BFF7D0E2E" author="Bochert R &amp; Zettler ML" pageId="3" pageNumber="986" pagination="735 - 737" refId="ref5777" refString="Bochert R, Zettler ML. 2009. A new species of Heterospio (Polychaeta, Longosomatidae) from offshore Angola. Zool Sci. 26: 735 - 737." type="journal article" year="2009">Bochert and Zettler (2009)</bibRefCitation>
. The BIOICE sampling area is indicated. (*) probably represents a different species.
</paragraph>
</caption>
<subSubSection id="94C8654D9B5EC948FF16B345FBB20E9D" pageId="3" pageNumber="986" type="materials_examined">
<paragraph id="DC6D36C69B5EC948FF16B345FECE0EF5" blockId="3.[144,1104,1145,1273]" box="[144,355,1145,1169]" pageId="3" pageNumber="986">
<heading id="872581AA9B5EC948FF16B345FECE0EF5" box="[144,355,1145,1169]" fontSize="10" level="3" pageId="3" pageNumber="986" reason="5">
<emphasis id="EEA6EAD49B5EC948FF16B345FECE0EF5" box="[144,355,1145,1169]" italics="true" pageId="3" pageNumber="986">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="DC6D36C69B5EC948FF16B39DFBB20E9D" blockId="3.[144,1104,1145,1273]" pageId="3" pageNumber="986">
<materialsCitation id="6CBA3C9B9B5EC948FF16B39DFCED0EBD" ID-GBIF-Occurrence="2850095312" collectionCode="IINH" pageId="3" pageNumber="986" specimenCode="IINH27830" specimenCount="1">
Five incomplete specimens were collected in three BIOICE samples (
<tableCitation id="9150037D9B5EC948FC64B39DFB920EDD" box="[994,1087,1185,1209]" captionStart="Table 1" captionStartId="2.[143,201,702,724]" captionText="Table 1. Coordinates, depth (m), bottom temperature (°C), salinity (‰) and sediment type, all referring to the start of the tow, of locations where specimens of Heterospio longissima Ehlers, 1874 sensu Hartman (1965) and Heterospio reducta Laubier, Picard and Ramos, 1972–73 were found during the BIOICE project." pageId="3" pageNumber="986">Table 1</tableCitation>
). BIOICE sample 2414 (
<specimenCount id="CAD4FD4F9B5EC948FE23B3FDFE5B0EBD" box="[421,502,1217,1241]" pageId="3" pageNumber="986" type="generic">1 spec.</specimenCount>
in SEM stub, 
<specimenCode id="8C749EBD9B5EC948FD34B3FDFC950EBD" box="[690,824,1217,1241]" collectionCode="IINH" pageId="3" pageNumber="986">IINH27830</specimenCode>
)
</materialsCitation>
; 
<materialsCitation id="6CBA3C9B9B5EC948FCD4B3FDFDB00E9D" ID-GBIF-Occurrence="2850095301" collectionCode="IINH" pageId="3" pageNumber="986" specimenCode="IINH27830" specimenCount="1">
BIOICE sample 2474 (
<specimenCount id="CAD4FD4F9B5EC948FF1CB3DDFF4B0E9C" box="[154,230,1249,1273]" pageId="3" pageNumber="986" type="generic">1 spec.</specimenCount>
in SEM stub, 
<specimenCode id="8C749EBD9B5EC948FE09B3DDFDB80E9D" box="[399,533,1249,1273]" collectionCode="IINH" pageId="3" pageNumber="986">IINH27830</specimenCode>
)
</materialsCitation>
; 
<materialsCitation id="6CBA3C9B9B5EC948FDACB3DDFBB60E9D" ID-GBIF-Occurrence="2850095308" box="[554,1051,1249,1273]" collectionCode="IINH" pageId="3" pageNumber="986" specimenCode="IINH27831" specimenCount="3">
BIOICE sample 3500 (
<specimenCount id="CAD4FD4F9B5EC948FCB6B3DDFC2D0E9C" box="[816,896,1249,1273]" pageId="3" pageNumber="986" type="generic">3 spec.</specimenCount>
, 
<specimenCode id="8C749EBD9B5EC948FC0BB3DDFBBE0E9D" box="[909,1043,1249,1273]" collectionCode="IINH" pageId="3" pageNumber="986">IINH27831</specimenCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="94C8654D9B5EC94FFF16B201FCA60FDC" lastPageId="4" lastPageNumber="987" pageId="3" pageNumber="986" type="description">
<paragraph id="DC6D36C69B5EC948FF16B201FEA20F30" blockId="3.[144,1104,1341,1691]" box="[144,271,1341,1364]" pageId="3" pageNumber="986">
<heading id="872581AA9B5EC948FF16B201FEA20F30" box="[144,271,1341,1364]" fontSize="10" level="3" pageId="3" pageNumber="986" reason="5">
<emphasis id="EEA6EAD49B5EC948FF16B201FEA20F30" box="[144,271,1341,1364]" italics="true" pageId="3" pageNumber="986">Description</emphasis>
</heading>
</paragraph>
<paragraph id="DC6D36C69B5EC94FFF16B259FC030E91" blockId="3.[144,1104,1341,1691]" lastBlockId="4.[212,1172,958,1269]" lastPageId="4" lastPageNumber="987" pageId="3" pageNumber="986">
Most complete specimen 
<quantity id="1B2A9B239B5EC948FE35B258FE5B0F18" box="[435,502,1380,1404]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="3" pageNumber="986" unit="mm" value="9.0">9 mm</quantity>
long, 
<quantity id="1B2A9B239B5EC948FDC7B258FD350F18" box="[577,664,1380,1404]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="3" pageNumber="986" unit="mm" value="0.4">0.4 mm</quantity>
wide, with 14 chaetigers. Prostomium conical, anteriorly rounded, slightly flattened dorsoventrally (
<figureCitation id="44E92A439B5EC948FCE7B2B8FC520FF8" box="[865,1023,1412,1436]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="3" pageNumber="986">Figure 2A, B</figureCitation>
). Eyes absent. Nuchal organs as deep grooves posterolateral to prostomium. Peristomial palps and palp scars not observed. Pharynx sac-like, eversible and unarmed. Anterior body region slightly flattened dorsoventrally, with eight short chaetigers (
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) (
<figureCitation id="44E92A439B5EC948FF1EB13FFEEF0C7F" box="[152,322,1539,1563]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="3" pageNumber="986">Figures 2A, B</figureCitation>
, 
<figureCitation id="44E92A439B5EC948FED0B13FFED80C7F" box="[342,373,1539,1563]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="3" pageNumber="986">5B</figureCitation>
). 
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1–8 short, somewhat more than twice as wide as long. Chaetigers progressively longer from 
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9 onwards. 
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9 first elongated segment, longer than wide; length (as distance from chaetal bundle to chaetal cincture of 
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10) about three times longer than 
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8. Branchiae lacking in all specimens but eight pairs of branchial scars present from 
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2 to 
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9 (
<figureCitation id="44E92A439B5EC948FCAAB1BFFC7D0CFF" box="[812,976,1667,1691]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="3" pageNumber="986">Figures 2A, B</figureCitation>
, 
<figureCitation id="44E92A439B5EC948FC66B1BFFC520CFF" box="[992,1023,1667,1691]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="3" pageNumber="986">5B</figureCitation>
). 
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1 abranchiate (no scars). The remaining chaetigers strongly elongated and cylindrical in cross-section; length increasing backwards; 
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10 about four times longer than 
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9, 
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11 about 2.5 times longer than 
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10. 
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1–9 with biramous parapodia; with notopodial and neuropodial chaetal fascicles well separated. From 
<collectingCountry id="A4C576569B59C94FFC63B322FBA30E52" box="[997,1038,1054,1078]" name="Switzerland" pageId="4" pageNumber="987">CH</collectingCountry>
10 onwards parapodia as elongated ridges forming a nearly closed flange-like cincture near anterior margin of segment (
<figureCitation id="44E92A439B59C94FFDB3B362FD4F0E12" box="[565,738,1118,1142]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="4" pageNumber="987">Figures 2A, B</figureCitation>
, 
<figureCitation id="44E92A439B59C94FFD7EB362FCA80E12" box="[760,773,1118,1142]" captionStart="Figure 3" captionStartId="5.[144,211,919,941]" captionTargetBox="[145,1102,168,887]" captionTargetId="figure@5.[145,1102,168,887]" captionTargetPageId="5" captionText="Figure 3. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimen from BIOICE sample 2414. (A–D) Chaetigers 11 to 14. Scale bars: A, 100 µm; B, 150 µm; C, 200 µm; D, 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4006781" httpUri="https://zenodo.org/record/4006781/files/figure.png" pageId="4" pageNumber="987">3</figureCitation>
, 
<figureCitation id="44E92A439B59C94FFC9AB362FC960E12" box="[796,827,1118,1142]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="4" pageNumber="987">5B</figureCitation>
). Chaetae of 
<collectingCountry id="A4C576569B59C94FFC6DB362FBB50E12" box="[1003,1048,1118,1142]" name="Switzerland" pageId="4" pageNumber="987">CH</collectingCountry>
1–9 simple capillaries, in fan-shaped fascicles (
<figureCitation id="44E92A439B59C94FFDD8B342FD7E0EF2" box="[606,723,1150,1174]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="4" pageNumber="987">Figure 2C</figureCitation>
). No neuropodial hooks in any anterior chaetiger. From 
<collectingCountry id="A4C576569B59C94FFE13B3A2FE130ED2" box="[405,446,1182,1206]" name="Switzerland" pageId="4" pageNumber="987">CH</collectingCountry>
10 onwards chaetae arranged in two rows (
<figureCitation id="44E92A439B59C94FFC30B3A2FB950ED2" box="[950,1080,1182,1206]" captionStart="Figure 2" captionStartId="4.[212,279,774,796]" captionTargetBox="[213,1170,168,742]" captionTargetId="figure@4.[213,1170,168,742]" captionTargetPageId="4" captionText="Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm." figureDoi="http://doi.org/10.5281/zenodo.4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="4" pageNumber="987">Figures 2D</figureCitation>
, 
<figureCitation id="44E92A439B59C94FFBCFB3A2FB290ED1" box="[1097,1156,1182,1206]" captionStart="Figure 4" captionStartId="6.[212,279,965,987]" captionTargetBox="[213,1170,168,933]" captionTargetId="figure@6.[213,1170,168,933]" captionTargetPageId="6" captionText="Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4006785" httpUri="https://zenodo.org/record/4006785/files/figure.png" pageId="4" pageNumber="987">4A,B</figureCitation>
): anterior row of thick subuluncini (
<figureCitation id="44E92A439B59C94FFDECB381FCA80EB1" box="[618,773,1213,1238]" captionStart="Figure 4" captionStartId="6.[212,279,965,987]" captionTargetBox="[213,1170,168,933]" captionTargetId="figure@6.[213,1170,168,933]" captionTargetPageId="6" captionText="Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4006785" httpUri="https://zenodo.org/record/4006785/files/figure.png" pageId="4" pageNumber="987">Figure 4D–H</figureCitation>
) and posterior row of simple fine capillaries (
<figureCitation id="44E92A439B59C94FFED0B3E1FE640E91" box="[342,457,1245,1269]" captionStart="Figure 4" captionStartId="6.[212,279,965,987]" captionTargetBox="[213,1170,168,933]" captionTargetId="figure@6.[213,1170,168,933]" captionTargetPageId="6" captionText="Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4006785" httpUri="https://zenodo.org/record/4006785/files/figure.png" pageId="4" pageNumber="987">Figure 4C</figureCitation>
). Aristate or acicular spines not observed.
</paragraph>
<caption id="88AD664E9B59C94FFF52B43AFB3909F4" ID-DOI="http://doi.org/10.5281/zenodo.4006779" ID-Zenodo-Dep="4006779" httpUri="https://zenodo.org/record/4006779/files/figure.png" pageId="4" pageNumber="987" startId="4.[212,279,774,796]" targetBox="[213,1170,168,742]" targetPageId="4">
<paragraph id="DC6D36C69B59C94FFF52B43AFB3909F4" blockId="4.[212,1172,774,912]" pageId="4" pageNumber="987">
Figure 2. 
<taxonomicName id="1BD24D459B59C94FFEBBB43AFC25097F" authority="Ehlers, 1874 sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[317,904,774,796]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="4" pageNumber="987" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B59C94FFEBBB43AFDB4097F" box="[317,537,774,795]" italics="true" pageId="4" pageNumber="987">Heterospio longissima</emphasis>
<bibRefCitation id="B8434B379B59C94FFDA6B43AFD330978" author="Ehlers E" box="[544,670,774,796]" pageId="4" pageNumber="987" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers, 1874</bibRefCitation>
<emphasis id="EEA6EAD49B59C94FFD20B43BFD770978" box="[678,730,775,796]" italics="true" pageId="4" pageNumber="987">sensu</emphasis>
<bibRefCitation id="B8434B379B59C94FFD64B43AFC25097F" author="Hartman O" box="[738,904,774,796]" pageId="4" pageNumber="987" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
. Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm.
</paragraph>
</caption>
<paragraph id="DC6D36C69B59C94FFF52B205FEFC0F35" blockId="4.[212,1172,1337,1465]" box="[212,337,1337,1361]" pageId="4" pageNumber="987">
<heading id="872581AA9B59C94FFF52B205FEFC0F35" box="[212,337,1337,1361]" fontSize="10" level="3" pageId="4" pageNumber="987" reason="5">
<emphasis id="EEA6EAD49B59C94FFF52B205FEFC0F35" box="[212,337,1337,1361]" italics="true" pageId="4" pageNumber="987">Occurrence</emphasis>
</heading>
</paragraph>
<paragraph id="DC6D36C69B59C94FFF52B25DFCA60FDC" blockId="4.[212,1172,1337,1465]" pageId="4" pageNumber="987">
In 
<collectingCountry id="A4C576569B59C94FFF70B25CFEE50F1C" box="[246,328,1376,1400]" name="Iceland" pageId="4" pageNumber="987">Iceland</collectingCountry>
<taxonomicName id="1BD24D459B59C94FFED4B25EFD5C0F1C" authority="sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[338,753,1376,1401]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="4" pageNumber="987" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B59C94FFED4B25EFD9D0F1D" box="[338,560,1377,1401]" italics="true" pageId="4" pageNumber="987">H. longissima sensu</emphasis>
<bibRefCitation id="B8434B379B59C94FFDBFB25DFD5C0F1C" author="Hartman O" box="[569,753,1376,1400]" pageId="4" pageNumber="987" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
is restricted to the slope bottoms of the southwestern coast, south Reykjanes Peninsula (
<figureCitation id="44E92A439B59C94FFCA8B2BCFC090FFC" box="[814,932,1408,1432]" captionStart="Figure 7" captionStartId="9.[144,211,600,622]" captionTargetBox="[145,1101,168,567]" captionTargetId="figure@9.[145,1102,168,568]" captionTargetPageId="9" captionText="Figure 7. Map of the area sampled during the BIOICE project showing collecting sites where species of Heterospio were found." figureDoi="http://doi.org/10.5281/zenodo.4006791" httpUri="https://zenodo.org/record/4006791/files/figure.png" pageId="4" pageNumber="987">Figure 7A</figureCitation>
). Depth range: 
<quantity id="1B2A9B239B59C94FFBD8B2BCFEB00FDC" metricMagnitude="2" metricUnit="m" metricValue="8.09" metricValueMax="8.34" metricValueMin="7.84" pageId="4" pageNumber="987" unit="m" value="809.0" valueMax="834.0" valueMin="784.0">784– 834 m</quantity>
; temperature range: 5.36–5.82°C (
<tableCitation id="9150037D9B59C94FFD22B29CFD560FDC" box="[676,763,1440,1464]" captionStart="Table 1" captionStartId="2.[143,201,702,724]" captionText="Table 1. Coordinates, depth (m), bottom temperature (°C), salinity (‰) and sediment type, all referring to the start of the tow, of locations where specimens of Heterospio longissima Ehlers, 1874 sensu Hartman (1965) and Heterospio reducta Laubier, Picard and Ramos, 1972–73 were found during the BIOICE project." pageId="4" pageNumber="987">Table 1</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="94C8654D9B59C94EFF52B2C0FF780FEF" lastPageId="5" lastPageNumber="988" pageId="4" pageNumber="987" type="distribution">
<paragraph id="DC6D36C69B59C94FFF52B2C0FEF50C70" blockId="4.[212,1172,1532,1691]" box="[212,344,1532,1556]" pageId="4" pageNumber="987">
<heading id="872581AA9B59C94FFF52B2C0FEF50C70" box="[212,344,1532,1556]" fontSize="10" level="3" pageId="4" pageNumber="987" reason="5">
<emphasis id="EEA6EAD49B59C94FFF52B2C0FEF50C70" box="[212,344,1532,1556]" italics="true" pageId="4" pageNumber="987">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="DC6D36C69B59C94EFF52B118FF780FEF" blockId="4.[212,1172,1532,1691]" lastBlockId="5.[144,1104,1044,1419]" lastPageId="5" lastPageNumber="988" pageId="4" pageNumber="987">
<taxonomicName id="1BD24D459B59C94FFF52B118FE640C58" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[212,457,1572,1596]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="4" pageNumber="987" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B59C94FFF52B118FE640C58" box="[212,457,1572,1596]" italics="true" pageId="4" pageNumber="987">Heterospio longissima</emphasis>
</taxonomicName>
was described by 
<bibRefCitation id="B8434B379B59C94FFD1BB11FFC990C5F" author="Ehlers E" box="[669,820,1571,1595]" pageId="4" pageNumber="987" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers (1874)</bibRefCitation>
based on an incomplete specimen from the northeast Atlantic. 
<bibRefCitation id="B8434B379B59C94FFDEBB178FC840C3F" author="Hartman O" box="[621,809,1603,1627]" pageId="4" pageNumber="987" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
reported the species from the western Atlantic. However, 
<bibRefCitation id="B8434B379B59C94FFDA6B15FFCA30C1F" author="Laubier L &amp; Picard C &amp; Ramos J" box="[544,782,1635,1659]" pageId="4" pageNumber="987" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">
Laubier et al. (
<date id="A86C10069B59C94FFD5FB15FFCA30C1F" box="[729,782,1635,1659]" pageId="4" pageNumber="987" value="1972" valueMax="1973">1972</date>
</bibRefCitation>
–73) pointed out that Hartman’ s material was different from that of Ehlers, but further comparisons to test whether the latter corresponded to a different species were not possible because the 
<typeStatus id="036988649B58C94EFC6BB328FBE20E48" box="[1005,1103,1044,1068]" pageId="5" pageNumber="988" type="holotype">holotype</typeStatus>
was apparently missing (
<bibRefCitation id="B8434B379B58C94EFE2CB308FDFB0E28" author="Borowski C" box="[426,598,1076,1100]" pageId="5" pageNumber="988" pagination="129 - 144" refId="ref5808" refString="Borowski C. 1994. New records of Longosomatidae (Heterospionidae) (Annelida, Polychaeta) from the abyssal Southeast Pacific, with the description of Heterospio peruana sp. nov. and a general remark on the family. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut. 92: 129 - 144." type="journal article" year="1994">Borowski 1994</bibRefCitation>
, p.130). Therefore, 
<bibRefCitation id="B8434B379B58C94EFCBAB308FBB20E28" author="Laubier L &amp; Picard C &amp; Ramos J" box="[828,1055,1076,1100]" pageId="5" pageNumber="988" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">
Laubier et al. (
<date id="A86C10069B58C94EFC6CB308FBB20E28" box="[1002,1055,1076,1100]" pageId="5" pageNumber="988" value="1972" valueMax="1973">1972</date>
</bibRefCitation>
–73) cautiously considered the existence of two forms of this species: the nominal species and 
<taxonomicName id="1BD24D459B58C94EFF40B349FDDE0EE8" authority="sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[198,627,1140,1164]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="988" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B58C94EFF40B349FE070EE8" box="[198,426,1140,1164]" italics="true" pageId="5" pageNumber="988">H. longissima sensu</emphasis>
<bibRefCitation id="B8434B379B58C94EFE30B348FDDE0EE8" author="Hartman O" box="[438,627,1140,1164]" pageId="5" pageNumber="988" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
. Since then, most subsequent reports of longosomatids were assigned to either form of 
<taxonomicName id="1BD24D459B58C94EFD1DB3A9FC9F0EC8" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[667,818,1172,1196]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="988" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B58C94EFD1DB3A9FC9F0EC8" box="[667,818,1172,1196]" italics="true" pageId="5" pageNumber="988">H. longissima</emphasis>
</taxonomicName>
(e.g. 
<bibRefCitation id="B8434B379B58C94EFCF6B3A8FBA60EC8" author="Imajima M" box="[880,1035,1172,1196]" pageId="5" pageNumber="988" pagination="57 - 64" refId="ref6377" refString="Imajima M. 1974. Occurrence of three families, Eulepethidae, Apistobranchidae, and Heterospionidae (Polychaeta) from Japan. Bull Nat Sci Museum, Tokyo. 17: 57 - 64." type="journal article" year="1974">Imajima 1974</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFB9FB3A8FEDC0EAF" author="Intes A &amp; Le Loeuff P" pageId="5" pageNumber="988" pagination="215 - 249" refId="ref6412" refString="Intes A, Le Loeuff P. 1977. Les annelides polychetes de Cote d' Ivoire. II. - Polychetes sedentaires - Compte rendu systematique. Cahiers O. R. S. T. O. M., serie Oceanographique. 15: 215 - 249." type="journal article" year="1977">Intès and Le Loeuff 1977</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFE06B38FFD920EAF" author="Kirkegaard JB" box="[384,575,1203,1227]" pageId="5" pageNumber="988" pagination="81 - 98" refId="ref6462" refString="Kirkegaard JB. 1980. Abyssal benthic polychaetes from the northeast Atlantic Ocean southwest of the British Isles. Steenstrupia. 6: 81 - 98." type="journal article" year="1980">Kirkegaard 1980</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFDC9B38FFCA80EAF" author="Amoureux L" box="[591,773,1203,1227]" pageId="5" pageNumber="988" pagination="179 - 214" refId="ref5683" refString="Amoureux L. 1982. Annelides polychetes recueillies sur le pente continentale de la Bretagne a l' Irlande, campagne 1973 de la &quot; THALASSA &quot; (suite et fin) avec la description de quatre especes nouvelles pour la science. II. Inventaire taxonomique annote de toutes les polychetes sedentaires. Cahiers de Biologie Marine. 23: 179 - 214." type="journal article" year="1982">Amoureux 1982</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFC93B38FFC610EAF" author="Rosenfeldt P" box="[789,972,1203,1227]" pageId="5" pageNumber="988" pagination="213 - 242" refId="ref6856" refString="Rosenfeldt P. 1989. Die Polychaeta der Rotmeer-Expeditionen MESEDA I (1977) mit FS &quot; SONNE &quot; und MESEDA II (1979) mit FS &quot; VALDIVIA. Senckenbergiana Biol. 69: 213 - 242." type="journal article" year="1989">Rosenfeldt 1989</bibRefCitation>
; see 
<figureCitation id="44E92A439B58C94EFB83B38FFF300E8F" captionStart="Figure 8" captionStartId="9.[144,211,1534,1556]" captionTargetBox="[146,1101,744,1502]" captionTargetId="figure@9.[145,1102,743,1503]" captionTargetPageId="9" captionText="Figure 8. Worldwide reports of Heterospio longissima arranged in ascending order by date. For each report, the original designation is indicated. (1) Ehlers (1874); (2) Hartman (1965); (3) Hartman and Fauchald (1971); (4) Hartman (1974); (5) Imajima (1974); (6) Intes and Le Loeuff (1977); (7) Kirkegaard (1980); (8) Amoureux (1982); (9) Uebelacker (1984); (10) Rosenfeldt (1989); (11) Türkay (1996); (12) Wehe and Fiege (2002); (13) this work. n.a. = no assignment." figureDoi="http://doi.org/10.5281/zenodo.4006793" httpUri="https://zenodo.org/record/4006793/files/figure.png" pageId="5" pageNumber="988">Figure 8</figureCitation>
), but the character combinations of these specimens did not always match those of the two forms (cf. 
<bibRefCitation id="B8434B379B58C94EFEE1B3C8FDA10F6F" author="Hartman O" box="[359,524,1267,1291]" pageId="5" pageNumber="988" pagination="191 - 252" refId="ref6166" refString="Hartman O. 1974. Polychaetous annelids of the Indian Ocean including an account of species collected by members of the international Indian Ocean Expeditions, 1963 - 64, and a catalogue and bibliography of the species from India. J Marine biol Assoc India. 16: 191 - 252." type="journal article" year="1974">Hartman 1974</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFD9BB3CFFD760F6F" author="Uebelacker JM" box="[541,731,1267,1291]" pageId="5" pageNumber="988" pagination="1 - 6" refId="ref7105" refString="Uebelacker JM. 1984. Family Heterospionidae Hartman, 1963. In: Uebelacker JM, Johnson PG, Vittor BA and Associates, editors. Taxonomic guide to the polychaetes of the Northern Gulf of Mexico, Vol. II. Alabama: Mobile; p. 1 - 6." type="book chapter" year="1984">Uebelacker 1984</bibRefCitation>
). In view of the aforementioned worldwide reports attributed to the species, it is likely that several different species are still waiting to be described, particularly all those reported outside the North Atlantic Ocean (e.g., 
<bibRefCitation id="B8434B379B58C94EFEA0B268FE630F0F" author="Hartman O" box="[294,462,1363,1387]" pageId="5" pageNumber="988" pagination="191 - 252" refId="ref6166" refString="Hartman O. 1974. Polychaetous annelids of the Indian Ocean including an account of species collected by members of the international Indian Ocean Expeditions, 1963 - 64, and a catalogue and bibliography of the species from India. J Marine biol Assoc India. 16: 191 - 252." type="journal article" year="1974">Hartman 1974</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFE64B26FFD2C0F0F" author="Imajima M" box="[482,641,1363,1387]" pageId="5" pageNumber="988" pagination="57 - 64" refId="ref6377" refString="Imajima M. 1974. Occurrence of three families, Eulepethidae, Apistobranchidae, and Heterospionidae (Polychaeta) from Japan. Bull Nat Sci Museum, Tokyo. 17: 57 - 64." type="journal article" year="1974">Imajima 1974</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFD13B268FC6E0F0F" author="Intes A &amp; Le Loeuff P" box="[661,963,1363,1387]" pageId="5" pageNumber="988" pagination="215 - 249" refId="ref6412" refString="Intes A, Le Loeuff P. 1977. Les annelides polychetes de Cote d' Ivoire. II. - Polychetes sedentaires - Compte rendu systematique. Cahiers O. R. S. T. O. M., serie Oceanographique. 15: 215 - 249." type="journal article" year="1977">Intes and Le Loeuff 1977</bibRefCitation>
; 
<bibRefCitation id="B8434B379B58C94EFC50B26FFF680FEF" author="Rosenfeldt P" pageId="5" pageNumber="988" pagination="213 - 242" refId="ref6856" refString="Rosenfeldt P. 1989. Die Polychaeta der Rotmeer-Expeditionen MESEDA I (1977) mit FS &quot; SONNE &quot; und MESEDA II (1979) mit FS &quot; VALDIVIA. Senckenbergiana Biol. 69: 213 - 242." type="journal article" year="1989">Rosenfeldt 1989</bibRefCitation>
).
</paragraph>
</subSubSection>
<caption id="88AD664E9B58C94EFF16B4ABFF4E0983" ID-DOI="http://doi.org/10.5281/zenodo.4006781" ID-Zenodo-Dep="4006781" httpUri="https://zenodo.org/record/4006781/files/figure.png" pageId="5" pageNumber="988" startId="5.[144,211,919,941]" targetBox="[145,1102,168,887]" targetPageId="5">
<paragraph id="DC6D36C69B58C94EFF16B4ABFF4E0983" blockId="5.[144,1103,919,999]" pageId="5" pageNumber="988">
Figure 3. 
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<emphasis id="EEA6EAD49B58C94EFF7FB4ABFE7A09C8" box="[249,471,919,940]" italics="true" pageId="5" pageNumber="988">Heterospio longissima</emphasis>
<bibRefCitation id="B8434B379B58C94EFE59B4ABFDF309C9" author="Ehlers E" box="[479,606,919,941]" pageId="5" pageNumber="988" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers, 1874</bibRefCitation>
<emphasis id="EEA6EAD49B58C94EFDE0B4A4FD3709C9" box="[614,666,920,941]" italics="true" pageId="5" pageNumber="988">sensu</emphasis>
<bibRefCitation id="B8434B379B58C94EFD25B4ABFCE709C8" author="Hartman O" box="[675,842,919,941]" pageId="5" pageNumber="988" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
. Specimen from BIOICE sample 2414. (A–D) Chaetigers 11 to 14. Scale bars: A, 100 µm; B, 150 µm; C, 200 µm; D, 100 µm.
</paragraph>
</caption>
<subSubSection id="94C8654D9B58C94CFF16B2E0FCAE0EC3" lastPageId="7" lastPageNumber="990" pageId="5" pageNumber="988" type="discussion">
<paragraph id="DC6D36C69B58C94EFF16B2E0FF5F0F90" blockId="5.[144,1104,1500,1692]" box="[144,242,1500,1524]" pageId="5" pageNumber="988">
<heading id="872581AA9B58C94EFF16B2E0FF5F0F90" box="[144,242,1500,1524]" fontSize="10" level="3" pageId="5" pageNumber="988" reason="5">
<emphasis id="EEA6EAD49B58C94EFF16B2E0FF5F0F90" box="[144,242,1500,1524]" italics="true" pageId="5" pageNumber="988">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="DC6D36C69B58C94DFF16B13FFDB50C3E" blockId="5.[144,1104,1500,1692]" lastBlockId="6.[212,1172,1155,1690]" lastPageId="6" lastPageNumber="989" pageId="5" pageNumber="988">
Both 
<taxonomicName id="1BD24D459B58C94EFF57B138FD7D0C7F" authority="sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[209,720,1539,1564]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="988" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B58C94EFF57B138FDA00C78" box="[209,525,1540,1564]" italics="true" pageId="5" pageNumber="988">Heterospio longissima sensu</emphasis>
<bibRefCitation id="B8434B379B58C94EFD91B138FD7D0C7F" author="Hartman O" box="[535,720,1539,1563]" pageId="5" pageNumber="988" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
and the nominal species have in common that the first elongated segment is 
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9, but the degree of elongation is different. In 
<taxonomicName id="1BD24D459B58C94EFEAEB178FD2D0C3F" authority="sensu Hartman" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[296,640,1604,1628]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="988" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B58C94EFEAEB178FDA10C3F" box="[296,524,1604,1628]" italics="true" pageId="5" pageNumber="988">H. longissima sensu</emphasis>
Hartman
</taxonomicName>
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9 is about three times longer than previous chaetigers, whereas in 
<taxonomicName id="1BD24D459B58C94EFE7BB158FC810C1F" authority="sensu Ehlers" authorityName="sensu Ehlers" authorityYear="1874" box="[509,812,1635,1659]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="5" pageNumber="988" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B58C94EFE7BB158FD760C1F" box="[509,731,1635,1659]" italics="true" pageId="5" pageNumber="988">H. longissima sensu</emphasis>
Ehlers
</taxonomicName>
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9 is about as long as all the anterior segments together (see 
<bibRefCitation id="B8434B379B58C94EFDC0B1BFFCB30CFF" author="Laubier L &amp; Picard C &amp; Ramos J" box="[582,798,1667,1691]" pageId="5" pageNumber="988" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">
Laubier et al. 
<date id="A86C10069B58C94EFD6FB1BFFCB30CFF" box="[745,798,1667,1691]" pageId="5" pageNumber="988" value="1972" valueMax="1973">1972</date>
</bibRefCitation>
–73, fig. 3; 
<bibRefCitation id="B8434B379B58C94EFC19B1BFFBE50CFF" author="Borowski C" box="[927,1096,1667,1691]" pageId="5" pageNumber="988" pagination="129 - 144" refId="ref5808" refString="Borowski C. 1994. New records of Longosomatidae (Heterospionidae) (Annelida, Polychaeta) from the abyssal Southeast Pacific, with the description of Heterospio peruana sp. nov. and a general remark on the family. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut. 92: 129 - 144." type="journal article" year="1994">Borowski 1994</bibRefCitation>
, notes 2 and 
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table 2 on pp.140–143; 
<bibRefCitation id="B8434B379B5BC94DFD35B3BFFC770EFF" author="Bochert R &amp; Zettler ML" box="[691,986,1155,1179]" pageId="6" pageNumber="989" pagination="735 - 737" refId="ref5777" refString="Bochert R, Zettler ML. 2009. A new species of Heterospio (Polychaeta, Longosomatidae) from offshore Angola. Zool Sci. 26: 735 - 737." type="journal article" year="2009">Bochert and Zettler 2009</bibRefCitation>
, key on p.737). Additionally, 
<taxonomicName id="1BD24D459B5BC94DFEFAB398FD7F0EDF" authority="sensu Hartman" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[380,722,1188,1212]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5BC94DFEFAB398FDF70EDF" box="[380,602,1188,1212]" italics="true" pageId="6" pageNumber="989">H.longissima sensu</emphasis>
Hartman
</taxonomicName>
has chaetae forming cinctures from 
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10 onwards provided with thick subuluncini and fine capillaries, whereas in 
<taxonomicName id="1BD24D459B5BC94DFF52B3D8FDA10E9F" authority="sensu Ehlers" authorityName="sensu Ehlers" authorityYear="1874" box="[212,524,1251,1275]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5BC94DFF52B3D8FE170E9F" box="[212,442,1251,1275]" italics="true" pageId="6" pageNumber="989">H. longissima sensu</emphasis>
Ehlers
</taxonomicName>
all body chaetigers are provided with biramous parapodia with only simple capillaries (see 
<bibRefCitation id="B8434B379B5BC94DFD1EB23FFCD90F7F" author="Laubier L &amp; Picard C &amp; Ramos J" box="[664,884,1283,1307]" pageId="6" pageNumber="989" pagination="243 - 254" refId="ref6538" refString="Laubier L, Picard C, Ramos J. 1972 - 73. Les Heterospionidae (Annelides polychetes sedentaires) de Mediterranee Occidentale. Vie et Milieu. Ser. A 23: 243 - 254." type="journal article" year="1972">
Laubier 
<emphasis id="EEA6EAD49B5BC94DFD7DB238FC800F7F" box="[763,813,1283,1307]" italics="true" pageId="6" pageNumber="989">et al</emphasis>
. 
<date id="A86C10069B5BC94DFCB8B23FFCD90F7F" box="[830,884,1283,1307]" pageId="6" pageNumber="989" value="1972" valueMax="1973">1972</date>
</bibRefCitation>
–73, p. 250) (
<figureCitation id="44E92A439B5BC94DFB89B23FFF4B0F5F" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="6" pageNumber="989">Figure 5A– B</figureCitation>
). 
<taxonomicName id="1BD24D459B5BC94DFE86B218FD1E0F5F" authority="sensu Hartman" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[256,691,1315,1339]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5BC94DFE86B218FDEC0F5F" box="[256,577,1315,1339]" italics="true" pageId="6" pageNumber="989">Heterospio longissima sensu</emphasis>
Hartman
</taxonomicName>
most closely resembles 
<taxonomicName id="1BD24D459B5BC94DFC48B218FE120F3F" authority="Wu and Chen, 1966" authorityName="Wu and Chen" authorityYear="1966" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="sinica">
<emphasis id="EEA6EAD49B5BC94DFC48B218FB390F5F" box="[974,1172,1316,1339]" italics="true" pageId="6" pageNumber="989">Heterospio sinica</emphasis>
<bibRefCitation id="B8434B379B5BC94DFF52B27FFE120F3F" author="Wu BL &amp; Chen M" box="[212,447,1347,1371]" pageId="6" pageNumber="989" pagination="163 - 167" refId="ref7285" refString="Wu BL, Chen M. 1966. A new and interesting species of the genus Heterospio (Polychaeta, Heterospionidae). Oceanologia et Limnologia Sinica. 8: 163 - 167." type="journal article" year="1966">Wu and Chen, 1966</bibRefCitation>
</taxonomicName>
from the 
<collectingCountry id="A4C576569B5BC94DFDBEB27FFDD00F3F" box="[568,637,1347,1371]" name="China" pageId="6" pageNumber="989">China</collectingCountry>
Sea, 
<taxonomicName id="1BD24D459B5BC94DFD47B278FB390F3F" authority="(Hartman, 1944)" baseAuthorityName="Hartman" baseAuthorityYear="1944" box="[705,1172,1347,1371]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="catalinensis">
<emphasis id="EEA6EAD49B5BC94DFD47B278FC650F3F" box="[705,968,1347,1371]" italics="true" pageId="6" pageNumber="989">Heterospio catalinensis</emphasis>
(
<bibRefCitation id="B8434B379B5BC94DFC5FB27FFB200F3F" author="Hartman O" box="[985,1165,1347,1371]" pageId="6" pageNumber="989" pagination="311 - 481" refId="ref6072" refString="Hartman O. 1944. Polychaetous annelids. Part IV. Paraonidae, Magelonidae, Heterospionidae, Ctenodrilidae and Sabellariidae. Allan Hancock Pac Exped. 10: 311 - 481." type="journal article" year="1944">Hartman, 1944</bibRefCitation>
)
</taxonomicName>
from off California and 
<taxonomicName id="1BD24D459B5BC94DFE6BB258FC280F1F" authority="Borowski, 1994" authorityName="Borowski" authorityYear="1994" box="[493,901,1379,1403]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="peruana">
<emphasis id="EEA6EAD49B5BC94DFE6BB258FD670F1F" box="[493,714,1380,1403]" italics="true" pageId="6" pageNumber="989">Heterospio peruana</emphasis>
<bibRefCitation id="B8434B379B5BC94DFD54B25FFC280F1F" author="Borowski C" box="[722,901,1379,1403]" pageId="6" pageNumber="989" pagination="129 - 144" refId="ref5808" refString="Borowski C. 1994. New records of Longosomatidae (Heterospionidae) (Annelida, Polychaeta) from the abyssal Southeast Pacific, with the description of Heterospio peruana sp. nov. and a general remark on the family. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut. 92: 129 - 144." type="journal article" year="1994">Borowski, 1994</bibRefCitation>
</taxonomicName>
from off 
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, because all share having 
<collectingCountry id="A4C576569B5BC94DFE15B2BEFE110FFE" box="[403,444,1410,1434]" name="Switzerland" pageId="6" pageNumber="989">CH</collectingCountry>
9 as the first elongated chaetiger, although clearly shorter than all previous segments as a whole (
<figureCitation id="44E92A439B5BC94DFDD1B29EFD550FDE" box="[599,760,1442,1466]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="6" pageNumber="989">Figures 5B–D</figureCitation>
, 
<figureCitation id="44E92A439B5BC94DFC81B29EFC850FDE" box="[775,808,1442,1466]" captionStart="Figure 6" captionStartId="8.[212,279,869,891]" captionTargetBox="[214,1169,168,837]" captionTargetId="figure@8.[213,1170,168,837]" captionTargetPageId="8" captionText="Figure 6. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio. Heterospio mediterranea Laubier, Picard and Ramos, 1972–73, Heterospio reducta Laubier, Picard and Ramos, 1972–73, Heterospio peruana Borowski, 1994 and Heterospio angolana Bochert and Zettler, 2009. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006789" httpUri="https://zenodo.org/record/4006789/files/figure.png" pageId="6" pageNumber="989">6C</figureCitation>
). 
<taxonomicName id="1BD24D459B5BC94DFCC6B29FFBE90FDF" baseAuthorityName="Hartman" baseAuthorityYear="1944" box="[832,1092,1443,1467]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="catalinensis">
<emphasis id="EEA6EAD49B5BC94DFCC6B29FFBE90FDF" box="[832,1092,1443,1467]" italics="true" pageId="6" pageNumber="989">Heterospio catalinensis</emphasis>
</taxonomicName>
differs from the others by having acicular chaetae in the neuropodium of 
<collectingCountry id="A4C576569B5BC94DFC54B2FEFBAF0FBE" box="[978,1026,1474,1498]" name="Switzerland" pageId="6" pageNumber="989">CH</collectingCountry>
1. 
<taxonomicName id="1BD24D459B5BC94DFB9EB2FFFEB90F9E" authorityName="Wu and Chen" authorityYear="1966" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="sinica">
<emphasis id="EEA6EAD49B5BC94DFB9EB2FFFEB90F9E" italics="true" pageId="6" pageNumber="989">Heterospio sinica</emphasis>
</taxonomicName>
and 
<taxonomicName id="1BD24D459B5BC94DFED4B2DFFE640F9E" authorityName="Borowski" authorityYear="1994" box="[338,457,1507,1530]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="peruana">
<emphasis id="EEA6EAD49B5BC94DFED4B2DFFE640F9E" box="[338,457,1507,1530]" italics="true" pageId="6" pageNumber="989">H.peruana</emphasis>
</taxonomicName>
are clearly distinguishable from Hartman’ s form of 
<taxonomicName id="1BD24D459B5BC94DFBB2B2DFFEB70C7E" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5BC94DFBB2B2DFFEB70C7E" italics="true" pageId="6" pageNumber="989">H. longissima</emphasis>
</taxonomicName>
by the presence of aristate chaetae on elongate segments. Moreover, while 
<taxonomicName id="1BD24D459B5BC94DFF52B11FFE950C5E" authorityName="Wu and Chen" authorityYear="1966" box="[212,312,1571,1594]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="sinica">
<emphasis id="EEA6EAD49B5BC94DFF52B11FFE950C5E" box="[212,312,1571,1594]" italics="true" pageId="6" pageNumber="989">H. sinica</emphasis>
</taxonomicName>
also has eight pairs of branchiae in the thorax (
<figureCitation id="44E92A439B5BC94DFCDCB11EFC7D0C5E" box="[858,976,1570,1594]" captionStart="Figure 5" captionStartId="7.[144,211,891,913]" captionTargetBox="[146,1101,168,858]" captionTargetId="figure@7.[145,1102,168,859]" captionTargetPageId="7" captionText="Figure 5. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio: Heterospio longissima Ehlers, 1874, Heterospio longissima Ehlers, 1874 sensu Hartman (1965), Heterospio catalinensis Hartman, 1944 and Heterospio sinica Wu and Chen, 1966. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (in case of being different to former; see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006787" httpUri="https://zenodo.org/record/4006787/files/figure.png" pageId="6" pageNumber="989">Figure 5D</figureCitation>
), 
<taxonomicName id="1BD24D459B5BC94DFC6EB11FFBCB0C5E" authorityName="Borowski" authorityYear="1994" box="[1000,1126,1571,1594]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="peruana">
<emphasis id="EEA6EAD49B5BC94DFC6EB11FFBCB0C5E" box="[1000,1126,1571,1594]" italics="true" pageId="6" pageNumber="989">H. peruana</emphasis>
</taxonomicName>
has only four pairs (
<figureCitation id="44E92A439B5BC94DFE14B17EFDAA0C3E" box="[402,519,1602,1626]" captionStart="Figure 6" captionStartId="8.[212,279,869,891]" captionTargetBox="[214,1169,168,837]" captionTargetId="figure@8.[213,1170,168,837]" captionTargetPageId="8" captionText="Figure 6. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio. Heterospio mediterranea Laubier, Picard and Ramos, 1972–73, Heterospio reducta Laubier, Picard and Ramos, 1972–73, Heterospio peruana Borowski, 1994 and Heterospio angolana Bochert and Zettler, 2009. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (see text for explanations). Chaetigers numbered below lateral view of each species." figureDoi="http://doi.org/10.5281/zenodo.4006789" httpUri="https://zenodo.org/record/4006789/files/figure.png" pageId="6" pageNumber="989">Figure 6C</figureCitation>
).
</paragraph>
<caption id="88AD664E9B5BC94DFF52B4F9FE1F0E34" ID-DOI="http://doi.org/10.5281/zenodo.4006785" ID-Zenodo-Dep="4006785" httpUri="https://zenodo.org/record/4006785/files/figure.png" pageId="6" pageNumber="989" startId="6.[212,279,965,987]" targetBox="[213,1170,168,933]" targetPageId="6">
<paragraph id="DC6D36C69B5BC94DFF52B4F9FE1F0E34" blockId="6.[212,1172,965,1104]" pageId="6" pageNumber="989">
Figure 4. 
<taxonomicName id="1BD24D459B5BC94DFEBBB4FAFC2509BF" authority="Ehlers, 1874 sensu Hartman (1965)" authorityName="Ehlers, 1874 sensu Hartman" authorityYear="1965" box="[317,904,965,987]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spionida" pageId="6" pageNumber="989" phylum="Annelida" rank="species" species="longissima">
<emphasis id="EEA6EAD49B5BC94DFEBBB4FAFDB409BF" box="[317,537,966,987]" italics="true" pageId="6" pageNumber="989">Heterospio longissima</emphasis>
<bibRefCitation id="B8434B379B5BC94DFDA6B4F9FD3309BF" author="Ehlers E" box="[544,670,965,987]" pageId="6" pageNumber="989" pagination="292 - 298" refId="ref5944" refString="Ehlers E. 1874. Annulata nova vel minus cognita in Expeditione &quot; Porcupine &quot; capta. Ann Mag Nat Hist Ser. 4. 13: 292 - 298." type="journal article" year="1874">Ehlers, 1874</bibRefCitation>
<emphasis id="EEA6EAD49B5BC94DFD20B4FAFD7709BF" box="[678,730,966,987]" italics="true" pageId="6" pageNumber="989">sensu</emphasis>
<bibRefCitation id="B8434B379B5BC94DFD64B4FAFC2509BF" author="Hartman O" box="[738,904,965,987]" pageId="6" pageNumber="989" pagination="1 - 378" refId="ref6133" refString="Hartman O. 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation, Occasional Papers. 28: 1 - 378." type="journal article" year="1965">Hartman (1965)</bibRefCitation>
</taxonomicName>
: Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm.
</paragraph>
</caption>
<paragraph id="DC6D36C69B5BC94CFF78B15EFCAE0EC3" blockId="6.[212,1172,1155,1690]" lastBlockId="7.[144,1104,1136,1191]" lastPageId="7" lastPageNumber="990" pageId="6" pageNumber="989">
Although aristate chaetae as illustrated by 
<bibRefCitation id="B8434B379B5BC94DFD77B15EFB8B0C1E" author="Bochert R &amp; Zettler ML" box="[753,1062,1634,1658]" pageId="6" pageNumber="989" pagination="735 - 737" refId="ref5777" refString="Bochert R, Zettler ML. 2009. A new species of Heterospio (Polychaeta, Longosomatidae) from offshore Angola. Zool Sci. 26: 735 - 737." type="journal article" year="2009">Bochert and Zettler (2009)</bibRefCitation>
were not observed, the shaft of the subuluncini seems to be articulated with the blade (
<figureCitation id="44E92A439B5AC94CFF1FB34CFE980EE3" box="[153,309,1136,1160]" captionStart="Figure 4" captionStartId="6.[212,279,965,987]" captionTargetBox="[213,1170,168,933]" captionTargetId="figure@6.[213,1170,168,933]" captionTargetPageId="6" captionText="Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4006785" httpUri="https://zenodo.org/record/4006785/files/figure.png" pageId="7" pageNumber="990">Figure 4C–H</figureCitation>
) in a similar manner to that illustrated by 
<bibRefCitation id="B8434B379B5AC94CFCCDB34CFBE70EEC" author="Wu BL &amp; Chen M" box="[843,1098,1136,1160]" pageId="7" pageNumber="990" pagination="163 - 167" refId="ref7285" refString="Wu BL, Chen M. 1966. A new and interesting species of the genus Heterospio (Polychaeta, Heterospionidae). Oceanologia et Limnologia Sinica. 8: 163 - 167." type="journal article" year="1966">Wu and Chen (1966)</bibRefCitation>
; 
<bibRefCitation id="B8434B379B5AC94CFF16B3B3FEE30EC3" author="Borowski C" box="[144,334,1167,1191]" pageId="7" pageNumber="990" pagination="129 - 144" refId="ref5808" refString="Borowski C. 1994. New records of Longosomatidae (Heterospionidae) (Annelida, Polychaeta) from the abyssal Southeast Pacific, with the description of Heterospio peruana sp. nov. and a general remark on the family. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut. 92: 129 - 144." type="journal article" year="1994">Borowski (1994)</bibRefCitation>
and 
<bibRefCitation id="B8434B379B5AC94CFE0CB3B3FD970EC3" author="Wilson RS" box="[394,570,1167,1191]" pageId="7" pageNumber="990" refId="ref7205" refString="Wilson RS. 2000 a. Family Longosomatidae. In: Beesley PL, Ross GJB, Glasby CJ, editors. Polychaetes and allies: the Southern synthesis. Melbourne: CSIRO Publishing; p. 193." type="journal volume" year="2000">Wilson (2000a)</bibRefCitation>
(see Discussion).
</paragraph>
</subSubSection>
</treatment>
</document>